
     $(document).ready(function() {
 $('#contenido')
                .before('<div id="nav">')
                .cycle({
                    fx:     'turnDown',
                    speed:  'fast',
                    timeout: 0,
                    pager:  '#nav',
                    pagerAnchorBuilder: function(idx, slide) {
                     return '<a href="#">' + slide.id + '</a>';
                    }
                }); });
